Two new diterpenoids from Teucrium fruticans

Abstract
Fruticolone (1) and isofruticolone (2), both isolated from Teucrium fruticans, have been shown by a combination of spectroscopic and X-ray methods (R 0.070; 1 620 observed diffractometer reflections) to be ent-19-acetoxy-4β,18 : 15,16-diepoxy-1β-hydroxycleroda-13(16),14-dien-6-one and ent-19-acetoxy-4β,18 : 15,16-diepoxy-6α-hydroxycleroda-13(16),14-dien-1-one, respectively.

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